CN107464337A - Image-pickup method, image collecting device and terminal device - Google Patents
Image-pickup method, image collecting device and terminal device Download PDFInfo
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- CN107464337A CN107464337A CN201710607662.9A CN201710607662A CN107464337A CN 107464337 A CN107464337 A CN 107464337A CN 201710607662 A CN201710607662 A CN 201710607662A CN 107464337 A CN107464337 A CN 107464337A
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
- G07D7/20—Testing patterns thereon
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/73—Circuitry for compensating brightness variation in the scene by influencing the exposure time
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
Abstract
The present invention is applied to acquisition technology field, there is provided a kind of image-pickup method, image collecting device, terminal device and computer-readable recording medium, described image acquisition method include：Whether completion is gathered by the image for the first pickup area for detecting object to be collected, after the completion of the IMAQ of the first pickup area, current drainage pattern is switched into the second drainage pattern, the image of the second pickup area of the object to be collected is acquired with the second drainage pattern, the view data of collection is exported after the completion of the IMAQ of object to be collected.Second pickup area of the image collected using image-pickup method provided by the invention has preferable quality, image-pickup method provided by the invention is applied to the identification of bank note, the characteristics of image of the second pickup area on bank note can be preferably identified, so as to improve the accuracy of paper money recognition.
Description
Technical field
The invention belongs to acquisition technology field, more particularly to a kind of image-pickup method, image collecting device, terminal
Equipment and computer-readable recording medium.
Background technology
At present, when bank note is identified, IMAQ is carried out to entire paper coin generally by imaging sensor, then
The anti-forgery feature point that diverse location region is obtained from the image of the entire paper coin of collection differentiated, using identify this bank note as
Normal bank note or abnormal bank note, for example, it is often desirable to identify the image sum in the region of fluorescence 100 on bank note (hundred yuans)
The image in crown word number region, the knowledge to the image in crown word number region is coordinated by the recognition result of the image to the region of fluorescence 100
Other result determines that this bank note is normal bank note or abnormal bank note, however, image and crown word number region due to the region of fluorescence 100
Fluorescent brightness of the image under same light and differ, the figure for the entire paper coin that existing image-pickup method collects
Picture, it may appear that the image in the region of fluorescence 100 collected is more clear, but the image definition in the crown word number region collected
Not enough, it is of low quality, influence the accuracy of paper money recognition.
The content of the invention
In view of this, the embodiments of the invention provide a kind of image-pickup method, image collecting device, terminal device and meter
Calculation machine readable storage medium storing program for executing, to improve the quality of the image of collection, and paper money recognition is can apply to, improve the standard of paper money recognition
True property.
The first aspect of the embodiment of the present invention provides a kind of image-pickup method, including：
Whether the image for detecting the first pickup area of object to be collected gathers completion.
After the completion of the IMAQ of first pickup area, current drainage pattern is switched into the second collection mould
Formula.
The image of the second pickup area of the object to be collected is acquired with second drainage pattern.
After the completion of the IMAQ of the object to be collected, the view data of the object to be collected of collection is exported.
Wherein, the image acquisition time of first pickup area prior to second pickup area IMAQ when
Between, and, exposure intensity corresponding to second drainage pattern and time for exposure exposure corresponding with the drainage pattern before switching
Intensity and time for exposure are not all the same, and, exposure intensity corresponding to second drainage pattern and time for exposure and described second
Benchmark image matches corresponding to pickup area.
The second aspect of the embodiment of the present invention provides a kind of image collecting device, including：
First detection unit, for detecting whether the image of the first pickup area of object to be collected gathers completion.
Switch unit, for detecting that the IMAQ of first pickup area is completed in first detection unit
Afterwards, current drainage pattern is switched into the second drainage pattern.
Image acquisition units, for the switch unit by current drainage pattern switch to the second drainage pattern it
Before, the image of first pickup area is gathered with current drainage pattern, and, in the switch unit by current collection
After pattern switching is the second drainage pattern, with second drainage pattern to the second pickup area of the object to be collected
Image is acquired.
Output unit, for after the completion of the IMAQ of the object to be collected, output described image collecting unit to be adopted
The view data of the object to be collected of collection.
Wherein, the image acquisition time of first pickup area prior to second pickup area IMAQ when
Between, and, exposure intensity corresponding to second drainage pattern and time for exposure exposure corresponding with the drainage pattern before switching
Intensity and time for exposure are not all the same, and, exposure intensity corresponding to second drainage pattern and time for exposure and described second
Benchmark image matches corresponding to pickup area.
The third aspect of the embodiment of the present invention provides a kind of terminal device, including memory, processor and is stored in
In the memory and the computer program that can run on the processor, described in the computing device during computer program
Realize such as the step of any one described image acquisition method.
The fourth aspect of the embodiment of the present invention provides a kind of computer-readable recording medium, the computer-readable storage
Media storage has computer program, is realized when the computer program is executed by processor such as any one described image acquisition method
The step of.
Existing beneficial effect is the embodiment of the present invention compared with prior art：The present invention is by detecting object to be collected
Whether the image of first pickup area (such as the region of fluorescence 100) of (such as hundred yuans) gathers completion, in the first collection
After the completion of the IMAQ in region, current drainage pattern is switched into the second drainage pattern, with the second drainage pattern to described
The image of the second pickup area (such as crown word number region) of object to be collected is acquired, due to corresponding to the second drainage pattern
Exposure intensity and time for exposure benchmark image corresponding with the second pickup area match, therefore under the second drainage pattern
The image of the second pickup area collected necessarily has preferable imaging effect, using image-pickup method provided by the invention
Second pickup area of the image collected has preferable quality, and image-pickup method provided by the invention is applied to bank note
Identification, the characteristics of image of the second pickup area on bank note can be preferably identified, so as to improve the accuracy of paper money recognition.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
In the required accompanying drawing used be briefly described, it should be apparent that, drawings in the following description be only the present invention some
Embodiment, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these
Accompanying drawing obtains other accompanying drawings.
Fig. 1 is the flow chart of image-pickup method provided in an embodiment of the present invention；
Fig. 2 is the structural representation of image collecting device provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram of terminal device provided in an embodiment of the present invention.
Embodiment
In describing below, in order to illustrate rather than in order to limit, it is proposed that such as tool of particular system structure, technology etc
Body details, thoroughly to understand the embodiment of the present invention.However, it will be clear to one skilled in the art that there is no these specific
The present invention can also be realized in the other embodiments of details.In other situations, omit to well-known system, device, electricity
Road and the detailed description of method, in case unnecessary details hinders description of the invention.
In order to illustrate technical solutions according to the invention, illustrated below by specific embodiment.
Fig. 1 shows the flow chart of image-pickup method provided in an embodiment of the present invention, and details are as follows：
Whether S101, the image for the first pickup area for detecting object to be collected gather completion.
Specifically, the collected face for treating acquisition target by imaging sensor is gathered line by line, obtain described waiting to adopt
Collect the view data in the collected face of object, after starting to treat the collection that acquisition target carries out image, detection is to be collected right
Whether the image of the first pickup area of elephant gathers completion.
In embodiments of the present invention, first pickup area and second pickup area are the object to be collected
Two regions on collected face, the image of the image acquisition time of first pickup area prior to second pickup area
Acquisition time.
Exemplary, with hundred yuans for object to be collected, using hundred yuans of the region of fluorescence 100 as the first collection
Region, using the crown word number region of hundred yuan of name coin as the second pickup area, specifically, using contact-type image sensor
(Contact Image Sensor, CIS) is progressively scanned and gathered to hundred yuans, is being started to hundred yuans
After surface carries out IMAQ, whether the IMAQ for detecting the region of fluorescence 100 is completed.
Specifically, object to be collected at the uniform velocity moves in preset speed in transmission channel along certain direction, transmitting
The predeterminated position of passage is provided with paired sensor, described to pass in pairs when the object to be collected passes through the predeterminated position
Sensor is blocked, and the position where CIS probe is corresponding with the predeterminated position, is reached in object to be collected described default
During position, CIS probe is started working, and opens the progressive scan collection for treating acquisition target.It is it is pointed out that described pre-
If speed and the predeterminated position can be set according to the actual requirements, be not especially limited herein.
According in the translational speed of object to be collected, and hundred yuans of benchmark image from starting the of IMAQ
The distance of last column to the region of fluorescence 100 of a line, using distance Velocity Time formula, can calculate CIS scanning
Head scanning is completed the time of the last column in fluorescence 100 region, and then the by detecting that sweep time detects object to be collected
Whether the image of one pickup area gathers completion.
In embodiments of the present invention, when different drainage patterns at least corresponds to not all the same exposure intensity and exposure
Between, exposure intensity corresponding to second drainage pattern and time for exposure benchmark image corresponding with second pickup area
(imaging effect is preferable, the high image of quality) matches, specifically, second drainage pattern is to the object to be collected
Second pickup area is by the preferable drainage pattern that finally obtains of multi collect experiment, under the second drainage pattern, described the
The Collecting Pattern imaging effects of two pickup areas is good, picture quality is high, is easy to carry out further video procession, with phase
The mode answered, the first drainage pattern to match with the benchmark image of the first pickup area object can be obtained.
Exemplary, above-mentioned each drainage pattern can carry out experiment adjustment according in the following manner, be desirably to obtain preferable
One drainage pattern or the second drainage pattern, specific implementation be, by setting the DC parameters of constant-current source of CIS chips to improve or
Exposing Lamp LED exposure intensity is reduced, by setting the GS parameters of constant-current source of CIS chips to extend or shorten Exposing Lamp
LED time for exposure.Specifically, determined in parameter corresponding to the items of first drainage pattern and second drainage pattern
Afterwards, preset by field programmable gate array (Field-Programmable Gate Array, FPGA) reaching
Trigger condition when, above-mentioned parameters are configured accordingly, to realize the switching of drainage pattern.
It should be noted that axle on the basis of moving direction of the object to be collected in transmission channel during carrying out IMAQ
Line, the first pickup area and the second pickup area of the object to be collected have certain spacing distance on datum axis,
Imaging sensor completes the image of the first pickup area from collection, to the time interval for the image for starting to gather the second pickup area
Not less than the switching time that current drainage pattern is switched to the second drainage pattern.
Optionally, before S101, the image of the object to be collected is acquired with the first drainage pattern, to obtain
The preferable image of first pickup area of the object to be collected gathered under the first drainage pattern, wherein, first collection
Exposure intensity corresponding to pattern and time for exposure exposure intensity corresponding with second drainage pattern and time for exposure infull phase
Together, exposure intensity corresponding to first drainage pattern and time for exposure benchmark image phase corresponding with first pickup area
Matching.
Optionally, before S101, the collected face of the object to be collected is detected relative to the inclination angle of default axis
Degree, according to the angle of inclination and default picking rate, determining the image of the first pickup area of the object to be collected is
No collection is completed.
In the present embodiment, the default axis is the axis vertical with the moving direction of the object to be collected, the figure
As sensor and the default diameter parallel, because the displacement or relative displacement of object to be collected have constant speed, when treating
When a first collected side of the collected face of acquisition target is with default diameter parallel, the collected face phase of the object to be collected
Angle of inclination for presetting axis is 0.The default picking rate is that the object to be collected passes relative to IMAQ
The translational speed of sensor, can flexibly it be set according to being actually needed, it is exemplary, when applied to currency examination equipment, be
Banknote to be tested walks paper money speed.Due to the position of the first pickup area on object to be collected be relatively fixed it is constant, according to
Angle of inclination and default collection speed of the collected face of first pickup area of the object to be collected relative to default axis
Degree, utilizes distance time speed formula, it may be determined that whether the image of the first pickup area of the object to be collected has gathered
Into.
Optionally, by obtain two sensor sensings in paired sensor to object to be collected time difference with it is described
Default picking rate, determine the collected face of the object to be collected relative to the angle of inclination of default axis；Wherein, institute is worked as
State two sensor sensings in paired sensor to the time difference of object to be collected be 0 when, determine the object to be collected
Collected face is 0 relative to the angle of inclination of default axis.
In the present embodiment, the straight line where the line of sensor in pairs and the default diameter parallel are described to wait to adopt
When being moved to the position of paired sensor, paired sensor will be blocked and (sense object to be collected) collection object, and send by
Signal is blocked, represents that object to be collected reaches relevant position.If two sensor sensings in paired sensor are to be collected right
The time difference of elephant is 0, represents a side for first carrying out IMAQ for object to be collected and default diameter parallel, i.e., described to wait to adopt
The collected face of collection object is 0 relative to the angle of inclination of default axis.
If the time difference of two sensor sensings to the object to be collected in paired sensor is not 0, it is to be collected right to represent
Elephant first carries out one of IMAQ while (during forward one in position in the direction of movement of the collected face of object to be collected)
There is certain angle of inclination with default axis, according to the translational speed of object to be collected, and two in sensor in pairs
Sensor sensing can calculate tilt length to the time difference of object to be collected using distance Velocity Time formula, in conjunction with
The distance between two sensors in paired sensor, the collected face of object to be collected can be calculated using triangle formula
Relative to the angle of inclination of default axis.
Optionally, when being more than predetermined threshold value at the angle of inclination, completed with current drainage pattern to described to be collected
The IMAQ of object, and after the completion of the IMAQ of the object to be collected, export the object to be collected of collection
View data.
S102, after the completion of the IMAQ of first pickup area, switch to second to adopt current drainage pattern
Integrated mode.
Specifically, after starting to treat acquisition target and carrying out IMAQ, when detecting that treat acquisition target first adopts
After the completion of the IMAQ for collecting region, current drainage pattern is switched into the second drainage pattern.
It should be noted that the current drainage pattern, to start to treat adopting when acquisition target carries out IMAQ
Integrated mode, namely the drainage pattern of IMAQ is carried out to the first pickup area.
S103, with second drainage pattern image of the second pickup area of the object to be collected is acquired.
Specifically, after current drainage pattern is switched into the second drainage pattern, treated and adopted with the second drainage pattern
The image for collecting the second pickup area of object is acquired, and obtains picture number of second pickup area under the second drainage pattern
According to.
Exemplary, according to the contrast of the image in hundred yuans of crown word number region and brightness, to hundred yuans
Crown word number region carry out test of many times collection, contrasted by the multiple adjustment to relevant parameter and to the image of collection,
The image in preferable hundred yuans of crown word number region can be obtained, with the corresponding collection of the preferable picture quality of acquisition
Pattern is the second drainage pattern, likewise, the image corresponding first with the region of fluorescence 100 on hundred yuans can be determined
Drainage pattern.When carrying out IMAQ to hundred yuans, start the image of hundred yuans of collection with the first drainage pattern,
After the image that the region of fluorescence 100 on hundred yuans is completed in collection is detected, switching drainage pattern is the second collection mould
Formula, therefore on hundred yuans of the image finally collected, the image in the region of fluorescence 100 is gathered under the first drainage pattern
, the image in crown word number region gathers under the second drainage pattern, therefore, all with preferable quality and imaging effect, from
And it is beneficial to the further identification to area image.
S104, after the completion of the IMAQ of the object to be collected, export the image of the object to be collected of collection
Data.
Specifically, the view data of the object to be collected of the output includes the second collection with the collection of the second drainage pattern
The view data in region, and the view data of the first pickup area gathered with the drainage pattern before switching.
Wherein, the image acquisition time of first pickup area prior to second pickup area IMAQ when
Between, and, exposure intensity corresponding to second drainage pattern and time for exposure exposure corresponding with the drainage pattern before switching
Intensity and time for exposure are not all the same, exposure intensity corresponding to second drainage pattern and time for exposure and the described second collection
Benchmark image matches corresponding to region.
In embodiments of the present invention, using hundred yuans as object to be collected, with according to hundred yuans gathered
Image on the region of fluorescence 100 image and crown word number region image carry out feature recognition, if the whole image gathered
The picture quality of any region in upper above-mentioned two region it is bad or imaging it is unintelligible when, can influence bank note be other efficiency and
Accuracy, the image in the region of fluorescence 100 and the image in crown word number region on the whole image gathered are respectively provided with preferably
When quality or imaging effect, it is possible to increase the efficiency and accuracy of the identification to bank note.
Optionally, after being completed with first drainage pattern to the IMAQ of first pickup area, output collection
First pickup area view data, completed with the second drainage pattern to the IMAQ of second pickup area
Afterwards, the view data of second pickup area of collection is exported.
In the present embodiment, IMAQ is carried out to first pickup area as a result of the first drainage pattern, used
Second drainage pattern carries out IMAQ to second pickup area, can be completed from the IMAQ of the first pickup area
Afterwards, the view data of first pickup area of collection is exported；Completed with the second drainage pattern to second acquisition zone
After the IMAQ in domain, the view data of second pickup area of collection is exported, so as to improve the defeated of gathered image
Go out speed.Wherein, the position due to the first pickup area and the second pickup area on the object to be collected is fixed, root
The position of the first pickup area and the second pickup area is combined according to default picking rate, first collection can be determined respectively
Region and the collection deadline of second pickup area.
The present invention is by detecting the first pickup area (such as area of fluorescence 100 of object to be collected (such as hundred yuans)
Domain) image whether gather completion, after the completion of the IMAQ of the first pickup area, current drainage pattern is switched to
Two drainage patterns, the image with the second drainage pattern to the second pickup area (such as crown word number region) of the object to be collected
It is acquired, because exposure intensity and time for exposure corresponding to the second drainage pattern are reference maps corresponding with the second pickup area
As matching, therefore necessarily there is the image of the second pickup area collected under the second drainage pattern preferably imaging to imitate
Fruit, the second pickup area of the image collected using image-pickup method provided by the invention have preferable quality, this hair
The image-pickup method of bright offer is applied to the identification of bank note, can preferably identify the image of the second pickup area on bank note
Feature, so as to improve the accuracy of paper money recognition.
It should be understood that the size of the sequence number of each step is not meant to the priority of execution sequence, each process in above-described embodiment
Execution sequence should determine that the implementation process without tackling the embodiment of the present invention forms any limit with its function and internal logic
It is fixed.
Fig. 2 shows the structural representation of image collecting device provided in an embodiment of the present invention, for convenience of description, only shows
The part related to the embodiment of the present invention is gone out, details are as follows：
Described image harvester 2 includes：First detection unit 21, switch unit 22, image acquisition units 23 and output
Unit 24.
First detection unit 21, for detecting whether the image of the first pickup area of object to be collected gathers completion.
Switch unit 22, for detecting that the IMAQ of first pickup area is complete in first detection unit 21
Cheng Hou, current drainage pattern is switched into the second drainage pattern.
Image acquisition units 23, for current drainage pattern to be switched into the second drainage pattern in the switch unit 22
Before, the image of first pickup area is gathered with current drainage pattern, and, will be current in the switch unit 22
After drainage pattern switches to the second drainage pattern, the second acquisition zone with second drainage pattern to the object to be collected
The image in domain is acquired.
Output unit 24, it is defeated after the image for completing the object to be collected is gathered in described image collecting unit 23
Go out the view data of the object to be collected of the collection of described image collecting unit 23.
Wherein, the image acquisition time of first pickup area prior to second pickup area IMAQ when
Between, and, exposure intensity corresponding to second drainage pattern and time for exposure exposure corresponding with the drainage pattern before switching
Intensity and time for exposure are not all the same, exposure intensity corresponding to second drainage pattern and time for exposure and the described second collection
Benchmark image matches corresponding to region.
Optionally, described image collecting unit 23 is additionally operable to：Object to be collected is detected in first detection unit 21
Before whether the image of the first pickup area gathers completion, the image of the object to be collected is adopted with the first drainage pattern
Collection；Wherein, exposure intensity corresponding to first drainage pattern and time for exposure exposure corresponding with second drainage pattern
Intensity and time for exposure are not all the same, exposure intensity corresponding to first drainage pattern and time for exposure and the described first collection
Benchmark image matches corresponding to region.
Optionally, the output unit 24 is additionally operable to：Completed with first drainage pattern to first pickup area
IMAQ after, export the view data of first pickup area of collection, completed with the second drainage pattern to described the
After the IMAQ of two pickup areas, the view data of second pickup area of collection is exported.
The present invention is by detecting the first pickup area (such as area of fluorescence 100 of object to be collected (such as hundred yuans)
Domain) image whether gather completion, after the completion of the IMAQ of the first pickup area, current drainage pattern is switched to
Two drainage patterns, the image with the second drainage pattern to the second pickup area (such as crown word number region) of the object to be collected
It is acquired, because exposure intensity and time for exposure corresponding to the second drainage pattern are reference maps corresponding with the second pickup area
As matching, therefore necessarily there is the image of the second pickup area collected under the second drainage pattern preferably imaging to imitate
Fruit, the second pickup area of the image collected using image-pickup method provided by the invention have preferable quality, this hair
The image-pickup method of bright offer is applied to the identification of bank note, can preferably identify the image of the second pickup area on bank note
Feature, so as to improve the accuracy of paper money recognition.
Fig. 3 is the schematic diagram for the terminal device that one embodiment of the invention provides.As shown in figure 3, the terminal of the embodiment is set
Standby 3 include：Processor 30, memory 31 and it is stored in the meter that can be run in the memory 31 and on the processor 30
Calculation machine program 32.The processor 30 is realized when performing the computer program 32 in above-mentioned each image-pickup method embodiment
The step of, such as the S101 to S104 shown in Fig. 1.Or the processor 30 is realized when performing the computer program 32
State the function of each module/unit in each device embodiment, such as the function of module 21 to 24 shown in Fig. 2.
Exemplary, the computer program 32 can be divided into one or more module/units, it is one or
Multiple module/units are stored in the memory 31, and are performed by the processor 30, to complete the present invention.Described one
Individual or multiple module/units can be the series of computation machine programmed instruction section that can complete specific function, and the instruction segment is used for
Implementation procedure of the computer program 32 in the terminal device 3 is described.For example, the computer program 32 can be divided
The first detection unit, switch unit, image acquisition units and output unit are cut into, each unit concrete function is as follows：
First detection unit, for detecting whether the image of the first pickup area of object to be collected gathers completion.
Switch unit, for detecting that the IMAQ of first pickup area is completed in first detection unit
Afterwards, current drainage pattern is switched into the second drainage pattern.
Image acquisition units, for the switch unit by current drainage pattern switch to the second drainage pattern it
Before, the image of first pickup area is gathered with current drainage pattern, and, in the switch unit by current collection
After pattern switching is the second drainage pattern, with second drainage pattern to the second pickup area of the object to be collected
Image is acquired.
Output unit, for after the completion of the IMAQ of the object to be collected, output described image collecting unit to be adopted
The view data of the object to be collected of collection.
The terminal device 3 can be that the calculating such as desktop PC, notebook, palm PC and cloud server are set
It is standby.The terminal device may include, but be not limited only to, processor 30, memory 31.It will be understood by those skilled in the art that Fig. 3
The only example of terminal device 3, the restriction to terminal device 3 is not formed, can included than illustrating more or less portions
Part, some parts or different parts are either combined, such as the terminal device can also include input-output equipment, net
Network access device, bus etc..
Alleged processor 30 can be CPU (Central Processing Unit, CPU), can also be
Other general processors, digital signal processor (Digital Signal Processor, DSP), application specific integrated circuit
(Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, FPGA) either other PLDs, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor can also be any conventional processor
Deng.
The memory 31 can be the internal storage unit of the terminal device 3, such as the hard disk of terminal device 3 or interior
Deposit.The memory 31 can also be the External memory equipment of the terminal device 3, such as be equipped with the terminal device 3
Plug-in type hard disk, intelligent memory card (Smart Media Card, SMC), secure digital (Secure Digital, SD) card, dodge
Deposit card (Flash Card) etc..Further, the memory 31 can also both include the storage inside list of the terminal device 3
Member also includes External memory equipment.The memory 31 is used to store needed for the computer program and the terminal device
Other programs and data.The memory 31 can be also used for temporarily storing the data that has exported or will export.
It is apparent to those skilled in the art that for convenience of description and succinctly, only with above-mentioned each work(
Can unit, module division progress for example, in practical application, can be as needed and by above-mentioned function distribution by different
Functional unit, module are completed, i.e., the internal structure of described device are divided into different functional units or module, more than completion
The all or part of function of description.Each functional unit, module in embodiment can be integrated in a processing unit, also may be used
To be that unit is individually physically present, can also two or more units it is integrated in a unit, it is above-mentioned integrated
Unit can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.In addition, each function list
Member, the specific name of module are not limited to the protection domain of the application also only to facilitate mutually distinguish.Said system
The specific work process of middle unit, module, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and is not described in detail or remembers in some embodiment
The part of load, it may refer to the associated description of other embodiments.
Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein
Member and algorithm steps, it can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
Performed with hardware or software mode, application-specific and design constraint depending on technical scheme.Professional and technical personnel
Described function can be realized using distinct methods to each specific application, but this realization is it is not considered that exceed
The scope of the present invention.
In embodiment provided by the present invention, it should be understood that disclosed device/terminal device and method, can be with
Realize by another way.For example, device described above/terminal device embodiment is only schematical, for example, institute
The division of module or unit is stated, only a kind of division of logic function, there can be other dividing mode when actually realizing, such as
Multiple units or component can combine or be desirably integrated into another system, or some features can be ignored, or not perform.Separately
A bit, shown or discussed mutual coupling or direct-coupling or communication connection can be by some interfaces, device
Or INDIRECT COUPLING or the communication connection of unit, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.
If the integrated module/unit realized in the form of SFU software functional unit and as independent production marketing or
In use, it can be stored in a computer read/write memory medium.Based on such understanding, the present invention realizes above-mentioned implementation
All or part of flow in example method, by computer program the hardware of correlation can also be instructed to complete, described meter
Calculation machine program can be stored in a computer-readable recording medium, and the computer program can be achieved when being executed by processor
The step of stating each embodiment of the method.Wherein, the computer program includes computer program code, the computer program generation
Code can be source code form, object identification code form, executable file or some intermediate forms etc..The computer-readable medium
It can include：Any entity or device, recording medium, USB flash disk, mobile hard disk, the magnetic of the computer program code can be carried
Dish, CD, computer storage, read-only storage (ROM, Read-Only Memory), random access memory (RAM,
Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..It is it should be noted that described
The content that computer-readable medium includes can carry out appropriate increasing according to legislation in jurisdiction and the requirement of patent practice
Subtract, such as in some jurisdictions, according to legislation and patent practice, computer-readable medium do not include be electric carrier signal and
Telecommunication signal.
Embodiment described above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although with reference to foregoing reality
Example is applied the present invention is described in detail, it will be understood by those within the art that：It still can be to foregoing each
Technical scheme described in embodiment is modified, or carries out equivalent substitution to which part technical characteristic；And these are changed
Or replace, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme, all should
Within protection scope of the present invention.
Claims (10)
1. a kind of image-pickup method, it is characterised in that described image acquisition method includes：
Whether the image for detecting the first pickup area of object to be collected gathers completion；
After the completion of the IMAQ of first pickup area, current drainage pattern is switched into the second drainage pattern；
The image of the second pickup area of the object to be collected is acquired with second drainage pattern；
After the completion of the IMAQ of the object to be collected, the view data of the object to be collected of collection is exported；
Wherein, the image acquisition time of first pickup area prior to second pickup area image acquisition time, and,
Exposure intensity corresponding to second drainage pattern and time for exposure exposure intensity corresponding with the drainage pattern before switching and
Time for exposure is not all the same, and, exposure intensity corresponding to second drainage pattern and time for exposure and second acquisition zone
Benchmark image matches corresponding to domain.
2. image-pickup method as claimed in claim 1, it is characterised in that the first acquisition zone of the detection object to be collected
Whether the image in domain gathers completion, also includes before：
The image of the object to be collected is acquired with the first drainage pattern；
Wherein, exposure intensity corresponding to first drainage pattern and time for exposure exposure corresponding with second drainage pattern
Intensity and time for exposure are not all the same, exposure intensity corresponding to first drainage pattern and time for exposure and the described first collection
Benchmark image matches corresponding to region.
3. image-pickup method as claimed in claim 2, it is characterised in that the IMAQ in the object to be collected
After the completion of, the view data of the object to be collected of collection is exported, is specially：
After being completed with first drainage pattern to the IMAQ of first pickup area, export collection described first adopts
Collect the view data in region, after being completed with the second drainage pattern to the IMAQ of second pickup area, export collection
The view data of second pickup area.
4. the image-pickup method as described in claims 1 to 3, it is characterised in that the first of the detection object to be collected is adopted
Whether the image in collection region gathers completion, also includes before：
The collected face of the object to be collected is detected relative to the angle of inclination of default axis；
Whether the image of the first pickup area of the detection object to be collected gathers completion, is specially：
According to the angle of inclination and default picking rate, determining the image of the first pickup area of the object to be collected is
No collection is completed.
5. image-pickup method as claimed in claim 4, it is characterised in that the detection object to be collected is collected
Face is specially relative to the angle of inclination of default axis：
By obtaining two sensor sensings in paired sensor to the time difference of object to be collected and making a reservation for walk paper money speed, really
The collected face of the object to be collected is determined relative to the angle of inclination of default axis.
6. a kind of image collecting device, it is characterised in that described image harvester includes：
First detection unit, for detecting whether the image of the first pickup area of object to be collected gathers completion；
Switch unit, for detect first pickup area in first detection unit IMAQ after the completion of, will
Current drainage pattern switches to the second drainage pattern；
Image acquisition units, for before current drainage pattern is switched to the second drainage pattern by the switch unit, with
Current drainage pattern gathers the image of first pickup area, and, in the switch unit by current drainage pattern
After switching to the second drainage pattern, the image with second drainage pattern to the second pickup area of the object to be collected
It is acquired；
Output unit, for after the completion of the IMAQ of the object to be collected, output described image collecting unit to gather
The view data of the object to be collected；
Wherein, the image acquisition time of first pickup area prior to second pickup area image acquisition time, and,
Exposure intensity corresponding to second drainage pattern and time for exposure exposure intensity corresponding with the drainage pattern before switching and
Time for exposure is not all the same, and, exposure intensity corresponding to second drainage pattern and time for exposure and second acquisition zone
Benchmark image matches corresponding to domain.
7. image collecting device as claimed in claim 6, it is characterised in that described image collecting unit is additionally operable to：
Detected in first detection unit the first pickup area of object to be collected image whether gather completion before, with the
One drainage pattern is acquired to the image of the object to be collected；
Wherein, exposure intensity corresponding to first drainage pattern and time for exposure exposure corresponding with second drainage pattern
Intensity and time for exposure are not all the same, exposure intensity corresponding to first drainage pattern and time for exposure and the described first collection
Benchmark image matches corresponding to region.
8. image collecting device as claimed in claim 7, it is characterised in that the output unit is additionally operable to：
After being completed with first drainage pattern to the IMAQ of first pickup area, export collection described first adopts
Collect the view data in region, after being completed with the second drainage pattern to the IMAQ of second pickup area, export collection
The view data of second pickup area.
9. a kind of terminal device, including memory, processor and it is stored in the memory and can be on the processor
The computer program of operation, it is characterised in that realize such as claim 1 to 5 described in the computing device during computer program
The step of any one methods described.
10. a kind of computer-readable recording medium, the computer-readable recording medium storage has computer program, and its feature exists
In when the computer program is executed by processor the step of realization such as any one of claim 1 to 5 methods described.
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